Hey, appreciate all the responses. Bigger expansion chamber seems to be key here. Problems with piston valves is they seem to be more temperamental when it comes to abuse. The gun takes alot of vibration especially when driving. PVC expansion chamber is out of the question. Not allowed on most field...

Appreciate the response! Sound is not an issue. All crew wear full head set communications. You cannot hear much outside of the intercom at that point. Works fantastic to drown out the straight pipes on the tank. Recoil artificial or not would only improve the realism. Of course any safety issues wo...

Hello all, I have been creeping around the forum now for about 2 years now. As part of a project, namely a paintball tank we call "Kugel Brecher", I built a paintball pneumatic cannon as the main gun. Naturally, something that every tank should have. http://i1375.photobucket.com/albums/ag454/jmj2002...